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		<id>https://www.explainxkcd.com/wiki/index.php?action=history&amp;feed=atom&amp;title=3036%3A_Chess_Zoo</id>
		<title>3036: Chess Zoo - Revision history</title>
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		<updated>2026-05-14T09:12:44Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=3036:_Chess_Zoo&amp;diff=412185&amp;oldid=prev</id>
		<title>FaviFake: given the proposal made at the community portal, i'm merging Blondie and Miss Lenhart, just like Cutie and Megan</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=3036:_Chess_Zoo&amp;diff=412185&amp;oldid=prev"/>
				<updated>2026-05-09T15:39:12Z</updated>
		
		<summary type="html">&lt;p&gt;given the proposal made at the community portal, i&amp;#039;m merging &lt;a href=&quot;/wiki/index.php/Blondie&quot; class=&quot;mw-redirect&quot; title=&quot;Blondie&quot;&gt;Blondie&lt;/a&gt; and &lt;a href=&quot;/wiki/index.php/Miss_Lenhart&quot; title=&quot;Miss Lenhart&quot;&gt;Miss Lenhart&lt;/a&gt;, just like &lt;a href=&quot;/wiki/index.php/Cutie&quot; class=&quot;mw-redirect&quot; title=&quot;Cutie&quot;&gt;Cutie&lt;/a&gt; and &lt;a href=&quot;/wiki/index.php/Megan&quot; title=&quot;Megan&quot;&gt;Megan&lt;/a&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr style=&quot;vertical-align: top;&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 15:39, 9 May 2026&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l53&quot; &gt;Line 53:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 53:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;:Banner: ''Shh! Pawns promoting.''&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;:Banner: ''Shh! Pawns promoting.''&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;:[Jill near the center, standing in front of &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Blondie &lt;/del&gt;and pointing forward:]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;:[Jill near the center, standing in front of &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Miss Lenhart &lt;/ins&gt;and pointing forward:]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;:Jill: Look, mommy! Bishops!&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;:Jill: Look, mommy! Bishops!&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l65&quot; &gt;Line 65:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 65:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;:[Bottom row from the right: Under the fourth black square from the right another Cueball looking into the White pawns only section, there are three pawns, none of them has promoted, bu their is also no banner- This room also has double thickness walls. Under the tenth black square to the 13th are four people in a row, from the right, another White Hat, another Hairy, another Hair Bun and another Cueball. They look into the white rooks only section. There are four rooks, one of them on the way into a hall towards the room above. Under the 21st black square from the right Megan is looking into the white King and Queens only section. There are three Queens with the King. A fourth queen is in a room above, where she is together with a knight.] &amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;:[Bottom row from the right: Under the fourth black square from the right another Cueball looking into the White pawns only section, there are three pawns, none of them has promoted, bu their is also no banner- This room also has double thickness walls. Under the tenth black square to the 13th are four people in a row, from the right, another White Hat, another Hairy, another Hair Bun and another Cueball. They look into the white rooks only section. There are four rooks, one of them on the way into a hall towards the room above. Under the 21st black square from the right Megan is looking into the white King and Queens only section. There are three Queens with the King. A fourth queen is in a room above, where she is together with a knight.] &amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;:[Up the left side from the bottom: The the left of black square three from the bottom another Hairy is looking into the white King and Queens only section. The seventh black square from the bottom it moved on space to the right. In the hole left there another Cueball is standing so he can see the passage where the white King and Queen can move into a room where also white knights can be, and there is one knight and one queen. To the left of outer wall 27 squares up, is &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Blondie&lt;/del&gt;, she is standing in the normal row left of the wall, but at a place where there is an indentation, so she is not next to the nearest black square. Se looks into the black knights only section with only one knight present. Four squares above her another Ponytail is standing in an indentation in the wall looking into the room where the black King and Queens can be together with the black knights, there is a queen and a knight. Four squares above this another Hairy is seen. He seems to have turned away from the wall walking to the left, so he is not looking into the black King and Queens only section behind him.]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;:[Up the left side from the bottom: The the left of black square three from the bottom another Hairy is looking into the white King and Queens only section. The seventh black square from the bottom it moved on space to the right. In the hole left there another Cueball is standing so he can see the passage where the white King and Queen can move into a room where also white knights can be, and there is one knight and one queen. To the left of outer wall 27 squares up, is &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Miss Lenhart&lt;/ins&gt;, she is standing in the normal row left of the wall, but at a place where there is an indentation, so she is not next to the nearest black square. Se looks into the black knights only section with only one knight present. Four squares above her another Ponytail is standing in an indentation in the wall looking into the room where the black King and Queens can be together with the black knights, there is a queen and a knight. Four squares above this another Hairy is seen. He seems to have turned away from the wall walking to the left, so he is not looking into the black King and Queens only section behind him.]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;:[The opening into the enclosure from the left to the end: Three squares in at the bottom over a black square one higher than the nearest another Megan walks to the right, next to her another Cueball walks the same way, he is not directly over a black square. And one further left below in one if the indentations another Ponytail. They are all above the white knights only section, with only one knight present. Above the first of the two Cueball's at the top of the opening in an indentation is Knit Cap looking into the black knights only section. At the bottom four squares further in than Ponytail is a person standing in an indentation with very large hair looking into a room where both white knights and rooks can be together, one of each is present. One further square in but two above him is another &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Blondie &lt;/del&gt;and next to her Jill pointing at the room with white and black bishops together, as she calls out. This room is the one where they are on their own color square, three white on white and three&amp;#160; black on gray squares. Above them is the room where both black knight and black rooks can be together, with three knights and one rook. One square further in and one below them is another Cueball looking in to a section only accessible to white rooks next to the bishops room. There is one rook there. But below this part of the room it opens up and has both white rooks (3) and white bishops (5) with three bishops on white and two on gray squares. A similar room is above these last three persons with a black rook in the near part not accessible to bishops but then black rooks (1) and black bishops (3) can be together in the rest of that room. All bishops on gray squares.]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;:[The opening into the enclosure from the left to the end: Three squares in at the bottom over a black square one higher than the nearest another Megan walks to the right, next to her another Cueball walks the same way, he is not directly over a black square. And one further left below in one if the indentations another Ponytail. They are all above the white knights only section, with only one knight present. Above the first of the two Cueball's at the top of the opening in an indentation is Knit Cap looking into the black knights only section. At the bottom four squares further in than Ponytail is a person standing in an indentation with very large hair looking into a room where both white knights and rooks can be together, one of each is present. One further square in but two above him is another &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Miss Lenhart &lt;/ins&gt;and next to her Jill pointing at the room with white and black bishops together, as she calls out. This room is the one where they are on their own color square, three white on white and three&amp;#160; black on gray squares. Above them is the room where both black knight and black rooks can be together, with three knights and one rook. One square further in and one below them is another Cueball looking in to a section only accessible to white rooks next to the bishops room. There is one rook there. But below this part of the room it opens up and has both white rooks (3) and white bishops (5) with three bishops on white and two on gray squares. A similar room is above these last three persons with a black rook in the near part not accessible to bishops but then black rooks (1) and black bishops (3) can be together in the rest of that room. All bishops on gray squares.]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;:[In total there are 9 Cueballs, 5 Hairys, 3 White Hats, 3 Ponytails, 2 Megans, 2 Hairbuns, 2 &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Blondies&lt;/del&gt;, 1 Knit Cap, 1 Danish, 1 Jill, 1 kid with a cap, 1 man with lots of hair, for a total of 31 humans.]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;:[In total there are 9 Cueballs, 5 Hairys, 3 White Hats, 3 Ponytails, 2 Megans, 2 Hairbuns, 2 &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Miss Lenharts&lt;/ins&gt;, 1 Knit Cap, 1 Danish, 1 Jill, 1 kid with a cap, 1 man with lots of hair, for a total of 31 humans.]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;:[In total there are the following black pieces 1 king, 5 queens, 6 knights (one a promoted pawn), 5 rooks, 11 bishops and 4 pawns (together with the promoted knight). A total of 32 black pieces. There are the following white pieces: 1 king, 4 queens, 3 knights, 9 rooks, 13 bishops and 3 pawns for a total of 33 white pieces. 65 pieces in all. Similar number of each type of pieces as there are humans, 31, 32 and 33 for a total of 96 squares occupied by something that are &amp;quot;alive&amp;quot;.]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;:[In total there are the following black pieces 1 king, 5 queens, 6 knights (one a promoted pawn), 5 rooks, 11 bishops and 4 pawns (together with the promoted knight). A total of 32 black pieces. There are the following white pieces: 1 king, 4 queens, 3 knights, 9 rooks, 13 bishops and 3 pawns for a total of 33 white pieces. 65 pieces in all. Similar number of each type of pieces as there are humans, 31, 32 and 33 for a total of 96 squares occupied by something that are &amp;quot;alive&amp;quot;.]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l131&quot; &gt;Line 131:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 131:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Comics featuring Hairy]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Comics featuring Hairy]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Comics featuring Hairbun]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Comics featuring Hairbun]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Comics featuring &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Blondie&lt;/del&gt;]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Comics featuring &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Miss Lenhart&lt;/ins&gt;]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Comics featuring Jill]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Comics featuring Jill]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Comics featuring Knit Cap]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Comics featuring Knit Cap]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Comics featuring Danish]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Comics featuring Danish]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Multiple Cueballs]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Multiple Cueballs]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>FaviFake</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=3036:_Chess_Zoo&amp;diff=411684&amp;oldid=prev</id>
		<title>Chronotix: /* Explanation */</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=3036:_Chess_Zoo&amp;diff=411684&amp;oldid=prev"/>
				<updated>2026-05-04T18:29:18Z</updated>
		
		<summary type="html">&lt;p&gt;‎&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Explanation&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr style=&quot;vertical-align: top;&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 18:29, 4 May 2026&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l29&quot; &gt;Line 29:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 29:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;A special feature of the enclosure, mentioned in the caption, is that there is at least one room for every type of pieces where other pieces cannot enter (except the king is always in a room with the queens). This means that even though some of the pieces can mingle with some of the other pieces they can also always retreat to a room where the other pieces cannot disturb them. For instance the top and bottom room with rooks can not be entered by any other type of pieces. In the two rooms right above and below the middle room, the bishops of the same color have their personal room. And also the two rooms to the right where black and white bishops co-exist on different colors, cannot be entered by any other type. (This is of course needed, since else there could be captures).&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;A special feature of the enclosure, mentioned in the caption, is that there is at least one room for every type of pieces where other pieces cannot enter (except the king is always in a room with the queens). This means that even though some of the pieces can mingle with some of the other pieces they can also always retreat to a room where the other pieces cannot disturb them. For instance the top and bottom room with rooks can not be entered by any other type of pieces. In the two rooms right above and below the middle room, the bishops of the same color have their personal room. And also the two rooms to the right where black and white bishops co-exist on different colors, cannot be entered by any other type. (This is of course needed, since else there could be captures).&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The pawns have their own rooms top and bottom right. The knights have a separate room from which they can jump out to the rooms with either rooks or king/queens, but no other piece can enter their personal space to the left. And the king and his queens can retreat top or bottom left where the knights cannot enter. No piece can encounter all the others &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;(&lt;/del&gt;even of the same color&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;) &lt;/del&gt;but all pieces can meet at least one other type of &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;pieces, &lt;/del&gt;the pawns &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;though &lt;/del&gt;only after promotion&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;. But &lt;/del&gt;they could not meet a king. This is similar to real zoos where separate enclosures are designed to be accessible only to one species (for example, through an opening too small for one of the species to pass through), allowing animals control over their interactions. &amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The pawns have their own rooms top and bottom right. The knights have a separate room from which they can jump out to the rooms with either rooks or king/queens, but no other piece can enter their personal space to the left. And the king and his queens can retreat top or bottom left where the knights cannot enter. No piece can encounter all the others&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;, &lt;/ins&gt;even of the same color&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;, &lt;/ins&gt;but all pieces can meet at least one other type of &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;piece (&lt;/ins&gt;the pawns only after promotion&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;, when &lt;/ins&gt;they &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;still &lt;/ins&gt;could not meet a king&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;)&lt;/ins&gt;. This is similar to real zoos where separate enclosures are designed to be accessible only to one species (for example, through an opening too small for one of the species to pass through), allowing animals control over their interactions. &amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;It is unclear what would happen to the pawns after they are promoted. Whether they remain in the &amp;quot;pawn&amp;quot; enclosure or moved to their new enclosure according to their new piece type is not indicated. Also unsure is how the pawns would be repopulated if all of them were to be promoted, leaving the pawn enclosure devoid of pawns. It appears that the pawns promoting is part of the zoo's attractions as mentioned in the Banner for the black pawns' enclosure that reads &amp;quot;SHH! PAWNS PROMOTING.&amp;quot; It is not explained why the visitors would need to be quiet, but if the logic of treating the pawns like zoo animals is extended then loud and rowdy humans would likely distract, disturb or otherwise prevent the pawns from promoting.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;It is unclear what would happen to the pawns after they are promoted. Whether they remain in the &amp;quot;pawn&amp;quot; enclosure or moved to their new enclosure according to their new piece type is not indicated. Also unsure is how the pawns would be repopulated if all of them were to be promoted, leaving the pawn enclosure devoid of pawns. It appears that the pawns promoting is part of the zoo's attractions as mentioned in the Banner for the black pawns' enclosure that reads &amp;quot;SHH! PAWNS PROMOTING.&amp;quot; It is not explained why the visitors would need to be quiet, but if the logic of treating the pawns like zoo animals is extended then loud and rowdy humans would likely distract, disturb or otherwise prevent the pawns from promoting.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Chronotix</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=3036:_Chess_Zoo&amp;diff=368653&amp;oldid=prev</id>
		<title>FaviFake at 16:27, 11 March 2025</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=3036:_Chess_Zoo&amp;diff=368653&amp;oldid=prev"/>
				<updated>2025-03-11T16:27:25Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr style=&quot;vertical-align: top;&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 16:27, 11 March 2025&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l12&quot; &gt;Line 12:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 12:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{w|Zoo}}s are large encampments where various animals live in small enclosures. They're generally used as public exhibitions for amusement and education and as safe spaces for rescued and endangered animals. Many modern zoos deliberately allow different types of animals to mingle and interact, finding that it promotes enrichment and well-being. Naturally, in such cases, the zoo needs to be designed so that incompatible species (such as predators and prey) aren't allowed to interact, and good designs will allow animals space for rest and privacy when needed.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{w|Zoo}}s are large encampments where various animals live in small enclosures. They're generally used as public exhibitions for amusement and education and as safe spaces for rescued and endangered animals. Many modern zoos deliberately allow different types of animals to mingle and interact, finding that it promotes enrichment and well-being. Naturally, in such cases, the zoo needs to be designed so that incompatible species (such as predators and prey) aren't allowed to interact, and good designs will allow animals space for rest and privacy when needed.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[File:3636 Chezz Zoo-with colors.png|thumb|right|670px|This is a fan-made version of the comic using partially transparent &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;coloured &lt;/del&gt;overlays to illustrate the range of movement each piece has. To show contrast, warm &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;colours &lt;/del&gt;(red, brown, orange, yellow) are used for the black pieces, and cool colours (blue, teal, cyan, green) for the white pieces . Because some regions are accessible to multiple pieces, these overlays overlap &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;in places, producing colours &lt;/del&gt;that are &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;combination or &lt;/del&gt;mixture of the originals.]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[File:3636 Chezz Zoo-with colors.png|thumb|right|670px|This is a fan-made version of the comic using partially transparent &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;colored &lt;/ins&gt;overlays to illustrate the range of movement each piece has. To show contrast, warm &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;colors &lt;/ins&gt;(red, brown, orange, yellow) are used for the black pieces, and cool colours (blue, teal, cyan, green) for the white pieces. Because some regions are accessible to multiple pieces, these overlays overlap &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;and produce colors &lt;/ins&gt;that are mixture of the originals.]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Randall]] has created a zoo for giant {{w|chess}} pieces, treating them as if they were animals. He designs the enclosures to allow interactions between different species, but prevents the possibility of one piece capturing another (which is treated as analogous to one animal attacking another), as well as of escape. In the [[#Trivia|Trivia]] section, a coloured version of the zoo shows where different types of pieces can move. The zoo is almost completely horizontally symmetrical from top to bottom&amp;#160; with black pieces on the top and white pieces on the bottom. The only place that isn't completely symmetrical is the entrances to the bishop enclosures. &amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Randall]] has created a zoo for giant {{w|chess}} pieces, treating them as if they were animals. He designs the enclosures to allow interactions between different species, but prevents the possibility of one piece capturing another (which is treated as analogous to one animal attacking another), as well as of escape. In the [[#Trivia|Trivia]] section, a coloured version of the zoo shows where different types of pieces can move. The zoo is almost completely horizontally symmetrical from top to bottom&amp;#160; with black pieces on the top and white pieces on the bottom. The only place that isn't completely symmetrical is the entrances to the bishop enclosures. &amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>FaviFake</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=3036:_Chess_Zoo&amp;diff=368652&amp;oldid=prev</id>
		<title>FaviFake: thanks, cleaning up and removing notice</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=3036:_Chess_Zoo&amp;diff=368652&amp;oldid=prev"/>
				<updated>2025-03-11T16:26:18Z</updated>
		
		<summary type="html">&lt;p&gt;thanks, cleaning up and removing notice&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr style=&quot;vertical-align: top;&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 16:26, 11 March 2025&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l10&quot; &gt;Line 10:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 10:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Explanation==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Explanation==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;{{incomplete|&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{w|Zoo}}&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;s &lt;/ins&gt;are large encampments where various animals live in small enclosures. They're generally used as public exhibitions for amusement and education and as safe spaces for rescued and endangered animals. Many modern zoos deliberately allow different types of animals to mingle and interact, finding that it promotes enrichment and well-being. Naturally, in such cases, the zoo needs to be designed so that incompatible species (such as predators and prey) aren't allowed to interact, and good designs will allow animals space for rest and privacy when needed.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;*Need to move the image in the trivia inside the explanation in a smooth way. It's not trivial, it's useful for the explanation.}}&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{w|Zoo&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;|Zoos&lt;/del&gt;}} are large encampments where various animals live in small enclosures. They're generally used as public exhibitions for amusement and education and as safe spaces for rescued and endangered animals. Many modern zoos deliberately allow different types of animals to mingle and interact, finding that it promotes enrichment and well-being. Naturally, in such cases, the zoo needs to be designed so that incompatible species (such as predators and prey) aren't allowed to interact, and good designs will allow animals space for rest and privacy when needed.&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[File:3636 Chezz Zoo-with colors.png|thumb|right|670px|This is a fan-made version of the comic using partially transparent coloured overlays to illustrate the range of movement each piece has. To show contrast, warm colours (red, brown, orange, yellow) are used for the black pieces, and cool colours (blue, teal, cyan, green) for the white pieces . Because some regions are accessible to multiple pieces, these overlays overlap in places, producing colours that are combination or mixture of the originals.]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Randall]] has created a zoo for giant {{w|chess}} pieces, treating them as if they were animals. He designs the enclosures to allow interactions between different species, but prevents the possibility of one piece capturing another (which is treated as analogous to one animal attacking another), as well as of escape. In the [[#Trivia|Trivia]] section, a coloured version of the zoo shows where different types of pieces can move. The zoo is almost completely horizontally symmetrical from top to bottom&amp;#160; with black pieces on the top and white pieces on the bottom. The only place that isn't completely symmetrical is the entrances to the bishop enclosures. &amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Randall]] has created a zoo for giant {{w|chess}} pieces, treating them as if they were animals. He designs the enclosures to allow interactions between different species, but prevents the possibility of one piece capturing another (which is treated as analogous to one animal attacking another), as well as of escape. In the [[#Trivia|Trivia]] section, a coloured version of the zoo shows where different types of pieces can move. The zoo is almost completely horizontally symmetrical from top to bottom&amp;#160; with black pieces on the top and white pieces on the bottom. The only place that isn't completely symmetrical is the entrances to the bishop enclosures. &amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;[[File:3636 Chezz Zoo-with colors.png|frame|right|This is a version of xkcd 3036 &lt;/del&gt;&amp;quot;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Chess Zoo&lt;/del&gt;&amp;quot; &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;with partially-transparent coloured overlays illustrating &lt;/del&gt;the &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;range of movement each piece has. Warm colours (red, brown, orange, yellow) are used for the black &lt;/del&gt;pieces&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;, and cool colours (blue, teal , cyan, green) for the white pieces to show contrast. Because some regions are accessible to multiple pieces, these overlays overlap in places, producing colours that are combination or mixture of the originals.]]&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;There are many subtle &lt;/ins&gt;&amp;quot;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;jokes&lt;/ins&gt;&amp;quot; &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;in &lt;/ins&gt;the &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;image that play on how chess &lt;/ins&gt;pieces &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;move:&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;There are many subtle &amp;quot;jokes&amp;quot; in the image that play on how chess pieces move:&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* '''♗ Bishops''' can only move diagonally. Enclosures containing them do not have diagonal walls or corners which would allow them to slip out, and orthogonal portals into their enclosures are only one square wide and at least two squares long so that they can't get through. One bishop enclosure even has a portal open to the visiting people, letting it serve as a {{w|petting zoo}}. Opposing bishops can safely mingle as long as they are on opposite colors, since a bishop can never move to a square of the opposite color than the one on which it currently stands. This is enforced by these mingling enclosures only having two openings, each on opposite colored squares (i.e. an enclosure only has an opening for black pieces on white squares and one for white pieces on black squares).&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* '''♗ Bishops''' can only move diagonally. Enclosures containing them do not have diagonal walls or corners which would allow them to slip out, and orthogonal portals into their enclosures are only one square wide and at least two squares long so that they can't get through. One bishop enclosure even has a portal open to the visiting people, letting it serve as a {{w|petting zoo}}. Opposing bishops can safely mingle as long as they are on opposite colors, since a bishop can never move to a square of the opposite color than the one on which it currently stands. This is enforced by these mingling enclosures only having two openings, each on opposite colored squares (i.e. an enclosure only has an opening for black pieces on white squares and one for white pieces on black squares).&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* '''♘ Knights''' move in an &amp;quot;L&amp;quot; shape (two squares along one orthogonal direction, then one more square in a perpendicular direction), leaping over other pieces and presumably walls. The walls of their enclosures have been designed to prevent escape by placing blocks where they would land if they leapt over the wall, or using double-thick walls. They can also be blocked by the same portals that block bishops, although they would need to be four blocks long instead of two.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* '''♘ Knights''' move in an &amp;quot;L&amp;quot; shape (two squares along one orthogonal direction, then one more square in a perpendicular direction), leaping over other pieces and presumably walls. The walls of their enclosures have been designed to prevent escape by placing blocks where they would land if they leapt over the wall, or using double-thick walls. They can also be blocked by the same portals that block bishops, although they would need to be four blocks long instead of two.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* '''♖ Rooks''' can only move along ranks and files. They have free roam of several enclosures, though diagonal walls are able to stop them, preventing them from accessing the center mingling bishops.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* '''♖ Rooks''' can only move along ranks and files. They have free roam of several enclosures, though diagonal walls are able to stop them, preventing them from accessing the center mingling bishops.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* '''♕ Queens''' and '''♔ kings''' can move along ranks and files as well as diagonally, so their enclosures must have the same precautions as would be required for both bishops and rooks.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* '''♕ Queens''' and '''♔ kings''' can move along ranks and files as well as diagonally, so their enclosures must have the same precautions as would be required for both bishops and rooks.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* '''♙ Pawns''' can only move forward (or diagonally forward when capturing), but upon reaching the final rank (the opponent's back rank), they are &amp;quot;promoted,&amp;quot; becoming a knight, bishop, rook, or queen. The pawns are in a double-walled enclosure with no doors to prevent escape after promotion.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* '''♙ Pawns''' can only move forward (or diagonally forward when capturing), but upon reaching the final rank (the opponent's back rank), they are &amp;quot;promoted,&amp;quot; becoming a knight, bishop, rook, or queen. The pawns are in a double-walled enclosure with no doors to prevent escape after promotion.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;* &lt;/del&gt;A special feature of the enclosure, mentioned in the caption, is that there is at least one room for every type of pieces where other pieces cannot enter (except the king is always in a room with the queens). This means that even though some of the pieces can mingle with some of the other pieces they can also always retreat to a room where the other pieces cannot disturb them. For instance the top and bottom room with rooks can not be entered by any other type of pieces. In the two rooms right above and below the middle room, the bishops of the same color have their personal room. And also the two rooms to the right where black and white bishops co-exist on different colors, cannot be entered by any other type. (This is of course needed, since else there could be captures). The pawns have their own rooms top and bottom right. The knights have a separate room from which they can jump out to the rooms with either rooks or king/queens, but no other piece can enter their personal space to the left. And the king and his queens can retreat top or bottom left where the knights cannot enter. No piece can encounter all the others (even of the same color) but all pieces can meet at least one other type of pieces, the pawns though only after promotion. But they could not meet a king. This is similar to real zoos where separate enclosures are designed to be accessible only to one species (for example, through an opening too small for one of the species to pass through), allowing animals control over their interactions. &amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;A special feature of the enclosure, mentioned in the caption, is that there is at least one room for every type of pieces where other pieces cannot enter (except the king is always in a room with the queens). This means that even though some of the pieces can mingle with some of the other pieces they can also always retreat to a room where the other pieces cannot disturb them. For instance the top and bottom room with rooks can not be entered by any other type of pieces. In the two rooms right above and below the middle room, the bishops of the same color have their personal room. And also the two rooms to the right where black and white bishops co-exist on different colors, cannot be entered by any other type. (This is of course needed, since else there could be captures).&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The pawns have their own rooms top and bottom right. The knights have a separate room from which they can jump out to the rooms with either rooks or king/queens, but no other piece can enter their personal space to the left. And the king and his queens can retreat top or bottom left where the knights cannot enter. No piece can encounter all the others (even of the same color) but all pieces can meet at least one other type of pieces, the pawns though only after promotion. But they could not meet a king. This is similar to real zoos where separate enclosures are designed to be accessible only to one species (for example, through an opening too small for one of the species to pass through), allowing animals control over their interactions. &amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;It is unclear what would happen to the pawns after they are promoted. Whether they remain in the &amp;quot;pawn&amp;quot; enclosure or moved to their new enclosure according to their new piece type is not indicated. Also unsure is how the pawns would be repopulated if all of them were to be promoted, leaving the pawn enclosure devoid of pawns. It appears that the pawns promoting is part of the zoo's attractions as mentioned in the Banner for the black pawns' enclosure that reads &amp;quot;SHH! PAWNS PROMOTING.&amp;quot; It is not explained why the visitors would need to be quiet, but if the logic of treating the pawns like zoo animals is extended then loud and rowdy humans would likely distract, disturb or otherwise prevent the pawns from promoting.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;It is unclear what would happen to the pawns after they are promoted. Whether they remain in the &amp;quot;pawn&amp;quot; enclosure or moved to their new enclosure according to their new piece type is not indicated. Also unsure is how the pawns would be repopulated if all of them were to be promoted, leaving the pawn enclosure devoid of pawns. It appears that the pawns promoting is part of the zoo's attractions as mentioned in the Banner for the black pawns' enclosure that reads &amp;quot;SHH! PAWNS PROMOTING.&amp;quot; It is not explained why the visitors would need to be quiet, but if the logic of treating the pawns like zoo animals is extended then loud and rowdy humans would likely distract, disturb or otherwise prevent the pawns from promoting.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;There are a couple of &amp;quot;interaction&amp;quot; areas that could have been built into the zoo design while preventing piece capture or escape but have not. There is no reason bishops and knights of the same color couldn't occupy the same enclosure, so long as there are adequate walls to prevent knights from escaping their enclosure. Additionally, it would be possible to allow visitor access to the white-bishop-on-black and black-bishop-on-white enclosure, as well as allow visitor access to the knight enclosures, however it is not apparent whether this is a priority of the zoo.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;There are a couple of &amp;quot;interaction&amp;quot; areas that could have been built into the zoo design while preventing piece capture or escape but have not. There is no reason bishops and knights of the same color couldn't occupy the same enclosure, so long as there are adequate walls to prevent knights from escaping their enclosure. Additionally, it would be possible to allow visitor access to the white-bishop-on-black and black-bishop-on-white enclosure, as well as allow visitor access to the knight enclosures, however it is not apparent whether this is a priority of the zoo. Every visitor of the zoo is depicted as centered on a single square occupied only by themselves, just like a chess piece. This could perhaps imply an entire chess board &amp;quot;world&amp;quot;, where humans and chess pieces coexist as separate species, both aligned to the grid.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Every visitor of the zoo is depicted as centered on a single square occupied only by themselves, just like a chess piece. This could perhaps imply an entire chess board &amp;quot;world&amp;quot;, where humans and chess pieces coexist as separate species, both aligned to the grid.&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The title text contains a pun on the word 'mating'. The phrase &amp;quot;mating in captivity&amp;quot; is typically used to refer to animals in zoos copulating, hopefully producing offspring. This is typically done for species that are endangered (in hopes of reintroducing them to the wild, and in the meantime maintaining a healthy population of their own), but in the relatively safe and nurturing environment of the zoo could become problematic if allowed to happen without a certain degree of planning. In a conservation program, much thought may be put to how to avoid inbreeding, overpopulation and social stresses amongst the animals (as well as the problems of feeding and housing all the offspring), and so males and females may be given limited and highly curated access to each other, strictly according to the identified breeding requirements.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The title text contains a pun on the word 'mating'. The phrase &amp;quot;mating in captivity&amp;quot; is typically used to refer to animals in zoos copulating, hopefully producing offspring. This is typically done for species that are endangered (in hopes of reintroducing them to the wild, and in the meantime maintaining a healthy population of their own), but in the relatively safe and nurturing environment of the zoo could become problematic if allowed to happen without a certain degree of planning. In a conservation program, much thought may be put to how to avoid inbreeding, overpopulation and social stresses amongst the animals (as well as the problems of feeding and housing all the offspring), and so males and females may be given limited and highly curated access to each other, strictly according to the identified breeding requirements.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l115&quot; &gt;Line 115:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 118:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Trivia==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Trivia==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;*&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;User &lt;/del&gt;[[User:&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;D5xtgr|&lt;/del&gt;D5xtgr]] &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;made &lt;/del&gt;the [&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;https://pasteboard.co/64VsBMA5af8l.png &lt;/del&gt;image &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;used above] &lt;/del&gt;of the board &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;with colors &lt;/del&gt;showing which rooms the different pieces can enter &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;by mixing colors&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;*[[User:D5xtgr]] &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;created &lt;/ins&gt;the [&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;[#Explanation|&lt;/ins&gt;image of the board &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;above]], &lt;/ins&gt;showing which rooms the different pieces can enter.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;**It was uploaded here with help, as D5xtgr could not at the time upload files:&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;&amp;lt;!-- [[File:3636 Chezz Zoo-with colors.png]] --&amp;gt;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;*Jake Ouellette &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;created &lt;/ins&gt;an [https://cadencecode.com/play/zooofchess interactive simulation of the &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Chess Zoo&lt;/ins&gt;], which has several more jokes embedded in it.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;**This is a version of xkcd 3036 &amp;quot;Chess Zoo&amp;quot; with partially-transparent coloured overlays illustrating the range of movement each piece has. Warm colours (red, brown, orange, yellow) are used for the black pieces, and cool colours (blue, teal , cyan, green) for the white pieces to show contrast. Because some regions are accessible to multiple pieces, these overlays overlap in places, producing colours that are combination or mixture of the originals.&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;**The text taken from the page where the original image was posted.&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;*Jake Ouellette &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;made &lt;/del&gt;an [https://cadencecode.com/play/zooofchess interactive simulation of the &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;chess zoo&lt;/del&gt;], which has several more jokes embedded in it.&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{comic discussion}}&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{comic discussion}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>FaviFake</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=3036:_Chess_Zoo&amp;diff=368641&amp;oldid=prev</id>
		<title>ScienceD90: Moved the colored version of the image into the explanation section and modified some related text in the trivia section</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=3036:_Chess_Zoo&amp;diff=368641&amp;oldid=prev"/>
				<updated>2025-03-11T15:13:43Z</updated>
		
		<summary type="html">&lt;p&gt;Moved the colored version of the image into the explanation section and modified some related text in the trivia section&lt;/p&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 15:13, 11 March 2025&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l15&quot; &gt;Line 15:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 15:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Randall]] has created a zoo for giant {{w|chess}} pieces, treating them as if they were animals. He designs the enclosures to allow interactions between different species, but prevents the possibility of one piece capturing another (which is treated as analogous to one animal attacking another), as well as of escape. In the [[#Trivia|Trivia]] section, a coloured version of the zoo shows where different types of pieces can move. The zoo is almost completely horizontally symmetrical from top to bottom&amp;#160; with black pieces on the top and white pieces on the bottom. The only place that isn't completely symmetrical is the entrances to the bishop enclosures. &amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Randall]] has created a zoo for giant {{w|chess}} pieces, treating them as if they were animals. He designs the enclosures to allow interactions between different species, but prevents the possibility of one piece capturing another (which is treated as analogous to one animal attacking another), as well as of escape. In the [[#Trivia|Trivia]] section, a coloured version of the zoo shows where different types of pieces can move. The zoo is almost completely horizontally symmetrical from top to bottom&amp;#160; with black pieces on the top and white pieces on the bottom. The only place that isn't completely symmetrical is the entrances to the bishop enclosures. &amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[File:3636 Chezz Zoo-with colors.png|frame|right|This is a version of xkcd 3036 &amp;quot;Chess Zoo&amp;quot; with partially-transparent coloured overlays illustrating the range of movement each piece has. Warm colours (red, brown, orange, yellow) are used for the black pieces, and cool colours (blue, teal , cyan, green) for the white pieces to show contrast. Because some regions are accessible to multiple pieces, these overlays overlap in places, producing colours that are combination or mixture of the originals.]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;There are many subtle &amp;quot;jokes&amp;quot; in the image that play on how chess pieces move:&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;There are many subtle &amp;quot;jokes&amp;quot; in the image that play on how chess pieces move:&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l113&quot; &gt;Line 113:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 115:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Trivia==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Trivia==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;*User [[User:D5xtgr|D5xtgr]] made the [https://pasteboard.co/64VsBMA5af8l.png &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;following depiction&lt;/del&gt;] of the board with colors showing which rooms the different pieces can enter by mixing colors.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;*User [[User:D5xtgr|D5xtgr]] made the [https://pasteboard.co/64VsBMA5af8l.png &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;image used above&lt;/ins&gt;] of the board with colors showing which rooms the different pieces can enter by mixing colors.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;**It was uploaded here with help, as D5xtgr could not at the time upload files:&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;**It was uploaded here with help, as D5xtgr could not at the time upload files:&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[File:3636 Chezz Zoo-with colors.png]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;lt;!-- &lt;/ins&gt;[[File:3636 Chezz Zoo-with colors.png]] &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;--&amp;gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;*This is a version of xkcd 3036 &amp;quot;Chess Zoo&amp;quot; with partially-transparent coloured overlays illustrating the range of movement each piece has. Warm colours (red, brown, orange, yellow) are used for the black pieces, and cool colours (blue, teal , cyan, green) for the white pieces to show contrast. Because some regions are accessible to multiple pieces, these overlays overlap in places, producing colours that are combination or mixture of the originals.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;*&lt;/ins&gt;*This is a version of xkcd 3036 &amp;quot;Chess Zoo&amp;quot; with partially-transparent coloured overlays illustrating the range of movement each piece has. Warm colours (red, brown, orange, yellow) are used for the black pieces, and cool colours (blue, teal , cyan, green) for the white pieces to show contrast. Because some regions are accessible to multiple pieces, these overlays overlap in places, producing colours that are combination or mixture of the originals.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;**The text taken from the page where the original image was posted.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;**The text taken from the page where the original image was posted.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;*Jake Ouellette made an [https://cadencecode.com/play/zooofchess interactive simulation of the chess zoo], which has several more jokes embedded in it.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;*Jake Ouellette made an [https://cadencecode.com/play/zooofchess interactive simulation of the chess zoo], which has several more jokes embedded in it.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>ScienceD90</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=3036:_Chess_Zoo&amp;diff=364774&amp;oldid=prev</id>
		<title>FaviFake: smaller than A Bunch of Rocks yet in large drawings?</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=3036:_Chess_Zoo&amp;diff=364774&amp;oldid=prev"/>
				<updated>2025-02-06T15:30:20Z</updated>
		
		<summary type="html">&lt;p&gt;smaller than &lt;a href=&quot;/wiki/index.php/A_Bunch_of_Rocks&quot; class=&quot;mw-redirect&quot; title=&quot;A Bunch of Rocks&quot;&gt;A Bunch of Rocks&lt;/a&gt; yet in large drawings?&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr style=&quot;vertical-align: top;&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 15:30, 6 February 2025&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l121&quot; &gt;Line 121:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 121:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{comic discussion}}&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{comic discussion}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[Category:Large drawings]]&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Chess]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Chess]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Comics featuring Cueball]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Comics featuring Cueball]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>FaviFake</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=3036:_Chess_Zoo&amp;diff=363900&amp;oldid=prev</id>
		<title>FaviFake: HIGHLY debatable whether this is considered a Category:Large drawings, but I'll limit myself to reming this useless link</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=3036:_Chess_Zoo&amp;diff=363900&amp;oldid=prev"/>
				<updated>2025-01-29T18:29:53Z</updated>
		
		<summary type="html">&lt;p&gt;HIGHLY debatable whether this is considered a Category:Large drawings, but I&amp;#039;ll limit myself to reming this useless link&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr style=&quot;vertical-align: top;&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 18:29, 29 January 2025&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l3&quot; &gt;Line 3:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 3:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| date&amp;#160; &amp;#160; &amp;#160; = January 10, 2025&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| date&amp;#160; &amp;#160; &amp;#160; = January 10, 2025&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| title&amp;#160; &amp;#160;  = Chess Zoo&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| title&amp;#160; &amp;#160;  = Chess Zoo&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;| before = [[#Explanation|↓ Skip to explanation ↓]]&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| image&amp;#160; &amp;#160;  = chess_zoo_2x.png&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| image&amp;#160; &amp;#160;  = chess_zoo_2x.png&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| imagesize = 740x1221px&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| imagesize = 740x1221px&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>FaviFake</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=3036:_Chess_Zoo&amp;diff=363085&amp;oldid=prev</id>
		<title>FaviFake: Undo revision 363001 by 172.71.150.168 (talk) - Agree with te previous editor</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=3036:_Chess_Zoo&amp;diff=363085&amp;oldid=prev"/>
				<updated>2025-01-21T16:20:41Z</updated>
		
		<summary type="html">&lt;p&gt;Undo revision 363001 by &lt;a href=&quot;/wiki/index.php/Special:Contributions/172.71.150.168&quot; title=&quot;Special:Contributions/172.71.150.168&quot;&gt;172.71.150.168&lt;/a&gt; (&lt;a href=&quot;/wiki/index.php?title=User_talk:172.71.150.168&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;User talk:172.71.150.168 (page does not exist)&quot;&gt;talk&lt;/a&gt;) - Agree with te previous editor&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr style=&quot;vertical-align: top;&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 16:20, 21 January 2025&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l25&quot; &gt;Line 25:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 25:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* A special feature of the enclosure, mentioned in the caption, is that there is at least one room for every type of pieces where other pieces cannot enter (except the king is always in a room with the queens). This means that even though some of the pieces can mingle with some of the other pieces they can also always retreat to a room where the other pieces cannot disturb them. For instance the top and bottom room with rooks can not be entered by any other type of pieces. In the two rooms right above and below the middle room, the bishops of the same color have their personal room. And also the two rooms to the right where black and white bishops co-exist on different colors, cannot be entered by any other type. (This is of course needed, since else there could be captures). The pawns have their own rooms top and bottom right. The knights have a separate room from which they can jump out to the rooms with either rooks or king/queens, but no other piece can enter their personal space to the left. And the king and his queens can retreat top or bottom left where the knights cannot enter. No piece can encounter all the others (even of the same color) but all pieces can meet at least one other type of pieces, the pawns though only after promotion. But they could not meet a king. This is similar to real zoos where separate enclosures are designed to be accessible only to one species (for example, through an opening too small for one of the species to pass through), allowing animals control over their interactions. &amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* A special feature of the enclosure, mentioned in the caption, is that there is at least one room for every type of pieces where other pieces cannot enter (except the king is always in a room with the queens). This means that even though some of the pieces can mingle with some of the other pieces they can also always retreat to a room where the other pieces cannot disturb them. For instance the top and bottom room with rooks can not be entered by any other type of pieces. In the two rooms right above and below the middle room, the bishops of the same color have their personal room. And also the two rooms to the right where black and white bishops co-exist on different colors, cannot be entered by any other type. (This is of course needed, since else there could be captures). The pawns have their own rooms top and bottom right. The knights have a separate room from which they can jump out to the rooms with either rooks or king/queens, but no other piece can enter their personal space to the left. And the king and his queens can retreat top or bottom left where the knights cannot enter. No piece can encounter all the others (even of the same color) but all pieces can meet at least one other type of pieces, the pawns though only after promotion. But they could not meet a king. This is similar to real zoos where separate enclosures are designed to be accessible only to one species (for example, through an opening too small for one of the species to pass through), allowing animals control over their interactions. &amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;It is unclear what would happen to the pawns after they are promoted. Whether they remain in the &amp;quot;pawn&amp;quot; enclosure or moved to their new enclosure according to their new piece type is not indicated. Also unsure is how the pawns would be repopulated if all of them were to be promoted, leaving the pawn enclosure devoid of pawns. It appears that the pawns promoting is part of the zoo's attractions as mentioned in the Banner for the black pawns' enclosure that reads &amp;quot;SHH! PAWNS PROMOTING.&amp;quot; It is not explained why the visitors would need to be quiet, but if the logic of treating the pawns like zoo animals is extended then loud and rowdy humans would likely distract, disturb or otherwise prevent the pawns from promoting&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;. Alternatively, perhaps the pawn promotion process produces some sort of cute noise, and if visitors are quiet they are more likely to hear it&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;It is unclear what would happen to the pawns after they are promoted. Whether they remain in the &amp;quot;pawn&amp;quot; enclosure or moved to their new enclosure according to their new piece type is not indicated. Also unsure is how the pawns would be repopulated if all of them were to be promoted, leaving the pawn enclosure devoid of pawns. It appears that the pawns promoting is part of the zoo's attractions as mentioned in the Banner for the black pawns' enclosure that reads &amp;quot;SHH! PAWNS PROMOTING.&amp;quot; It is not explained why the visitors would need to be quiet, but if the logic of treating the pawns like zoo animals is extended then loud and rowdy humans would likely distract, disturb or otherwise prevent the pawns from promoting.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;There are a couple of &amp;quot;interaction&amp;quot; areas that could have been built into the zoo design while preventing piece capture or escape but have not. There is no reason bishops and knights of the same color couldn't occupy the same enclosure, so long as there are adequate walls to prevent knights from escaping their enclosure. Additionally, it would be possible to allow visitor access to the white-bishop-on-black and black-bishop-on-white enclosure, as well as allow visitor access to the knight enclosures, however it is not apparent whether this is a priority of the zoo.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;There are a couple of &amp;quot;interaction&amp;quot; areas that could have been built into the zoo design while preventing piece capture or escape but have not. There is no reason bishops and knights of the same color couldn't occupy the same enclosure, so long as there are adequate walls to prevent knights from escaping their enclosure. Additionally, it would be possible to allow visitor access to the white-bishop-on-black and black-bishop-on-white enclosure, as well as allow visitor access to the knight enclosures, however it is not apparent whether this is a priority of the zoo.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>FaviFake</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=3036:_Chess_Zoo&amp;diff=363001&amp;oldid=prev</id>
		<title>172.71.150.168: Undo revision 362984 by 172.68.42.41 (talk) - It could be that the actual promotion processes produces the noise.</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=3036:_Chess_Zoo&amp;diff=363001&amp;oldid=prev"/>
				<updated>2025-01-20T22:47:35Z</updated>
		
		<summary type="html">&lt;p&gt;Undo revision 362984 by &lt;a href=&quot;/wiki/index.php/Special:Contributions/172.68.42.41&quot; title=&quot;Special:Contributions/172.68.42.41&quot;&gt;172.68.42.41&lt;/a&gt; (&lt;a href=&quot;/wiki/index.php?title=User_talk:172.68.42.41&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;User talk:172.68.42.41 (page does not exist)&quot;&gt;talk&lt;/a&gt;) - It could be that the actual promotion processes produces the noise.&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr style=&quot;vertical-align: top;&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 22:47, 20 January 2025&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l25&quot; &gt;Line 25:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 25:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* A special feature of the enclosure, mentioned in the caption, is that there is at least one room for every type of pieces where other pieces cannot enter (except the king is always in a room with the queens). This means that even though some of the pieces can mingle with some of the other pieces they can also always retreat to a room where the other pieces cannot disturb them. For instance the top and bottom room with rooks can not be entered by any other type of pieces. In the two rooms right above and below the middle room, the bishops of the same color have their personal room. And also the two rooms to the right where black and white bishops co-exist on different colors, cannot be entered by any other type. (This is of course needed, since else there could be captures). The pawns have their own rooms top and bottom right. The knights have a separate room from which they can jump out to the rooms with either rooks or king/queens, but no other piece can enter their personal space to the left. And the king and his queens can retreat top or bottom left where the knights cannot enter. No piece can encounter all the others (even of the same color) but all pieces can meet at least one other type of pieces, the pawns though only after promotion. But they could not meet a king. This is similar to real zoos where separate enclosures are designed to be accessible only to one species (for example, through an opening too small for one of the species to pass through), allowing animals control over their interactions. &amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* A special feature of the enclosure, mentioned in the caption, is that there is at least one room for every type of pieces where other pieces cannot enter (except the king is always in a room with the queens). This means that even though some of the pieces can mingle with some of the other pieces they can also always retreat to a room where the other pieces cannot disturb them. For instance the top and bottom room with rooks can not be entered by any other type of pieces. In the two rooms right above and below the middle room, the bishops of the same color have their personal room. And also the two rooms to the right where black and white bishops co-exist on different colors, cannot be entered by any other type. (This is of course needed, since else there could be captures). The pawns have their own rooms top and bottom right. The knights have a separate room from which they can jump out to the rooms with either rooks or king/queens, but no other piece can enter their personal space to the left. And the king and his queens can retreat top or bottom left where the knights cannot enter. No piece can encounter all the others (even of the same color) but all pieces can meet at least one other type of pieces, the pawns though only after promotion. But they could not meet a king. This is similar to real zoos where separate enclosures are designed to be accessible only to one species (for example, through an opening too small for one of the species to pass through), allowing animals control over their interactions. &amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;It is unclear what would happen to the pawns after they are promoted. Whether they remain in the &amp;quot;pawn&amp;quot; enclosure or moved to their new enclosure according to their new piece type is not indicated. Also unsure is how the pawns would be repopulated if all of them were to be promoted, leaving the pawn enclosure devoid of pawns. It appears that the pawns promoting is part of the zoo's attractions as mentioned in the Banner for the black pawns' enclosure that reads &amp;quot;SHH! PAWNS PROMOTING.&amp;quot; It is not explained why the visitors would need to be quiet, but if the logic of treating the pawns like zoo animals is extended then loud and rowdy humans would likely distract, disturb or otherwise prevent the pawns from promoting.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;It is unclear what would happen to the pawns after they are promoted. Whether they remain in the &amp;quot;pawn&amp;quot; enclosure or moved to their new enclosure according to their new piece type is not indicated. Also unsure is how the pawns would be repopulated if all of them were to be promoted, leaving the pawn enclosure devoid of pawns. It appears that the pawns promoting is part of the zoo's attractions as mentioned in the Banner for the black pawns' enclosure that reads &amp;quot;SHH! PAWNS PROMOTING.&amp;quot; It is not explained why the visitors would need to be quiet, but if the logic of treating the pawns like zoo animals is extended then loud and rowdy humans would likely distract, disturb or otherwise prevent the pawns from promoting&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;. Alternatively, perhaps the pawn promotion process produces some sort of cute noise, and if visitors are quiet they are more likely to hear it&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;There are a couple of &amp;quot;interaction&amp;quot; areas that could have been built into the zoo design while preventing piece capture or escape but have not. There is no reason bishops and knights of the same color couldn't occupy the same enclosure, so long as there are adequate walls to prevent knights from escaping their enclosure. Additionally, it would be possible to allow visitor access to the white-bishop-on-black and black-bishop-on-white enclosure, as well as allow visitor access to the knight enclosures, however it is not apparent whether this is a priority of the zoo.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;There are a couple of &amp;quot;interaction&amp;quot; areas that could have been built into the zoo design while preventing piece capture or escape but have not. There is no reason bishops and knights of the same color couldn't occupy the same enclosure, so long as there are adequate walls to prevent knights from escaping their enclosure. Additionally, it would be possible to allow visitor access to the white-bishop-on-black and black-bishop-on-white enclosure, as well as allow visitor access to the knight enclosures, however it is not apparent whether this is a priority of the zoo.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>172.71.150.168</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=3036:_Chess_Zoo&amp;diff=362984&amp;oldid=prev</id>
		<title>172.68.42.41: /* Explanation */ Removed the bit about promoting pawns making a noise - it's clearly a reference to pawns being like babies growing up, needing quiet to promote etc, like seen in zoos.</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=3036:_Chess_Zoo&amp;diff=362984&amp;oldid=prev"/>
				<updated>2025-01-20T16:55:04Z</updated>
		
		<summary type="html">&lt;p&gt;‎&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Explanation: &lt;/span&gt; Removed the bit about promoting pawns making a noise - it&amp;#039;s clearly a reference to pawns being like babies growing up, needing quiet to promote etc, like seen in zoos.&lt;/span&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr style=&quot;vertical-align: top;&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 16:55, 20 January 2025&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l25&quot; &gt;Line 25:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 25:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* A special feature of the enclosure, mentioned in the caption, is that there is at least one room for every type of pieces where other pieces cannot enter (except the king is always in a room with the queens). This means that even though some of the pieces can mingle with some of the other pieces they can also always retreat to a room where the other pieces cannot disturb them. For instance the top and bottom room with rooks can not be entered by any other type of pieces. In the two rooms right above and below the middle room, the bishops of the same color have their personal room. And also the two rooms to the right where black and white bishops co-exist on different colors, cannot be entered by any other type. (This is of course needed, since else there could be captures). The pawns have their own rooms top and bottom right. The knights have a separate room from which they can jump out to the rooms with either rooks or king/queens, but no other piece can enter their personal space to the left. And the king and his queens can retreat top or bottom left where the knights cannot enter. No piece can encounter all the others (even of the same color) but all pieces can meet at least one other type of pieces, the pawns though only after promotion. But they could not meet a king. This is similar to real zoos where separate enclosures are designed to be accessible only to one species (for example, through an opening too small for one of the species to pass through), allowing animals control over their interactions. &amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* A special feature of the enclosure, mentioned in the caption, is that there is at least one room for every type of pieces where other pieces cannot enter (except the king is always in a room with the queens). This means that even though some of the pieces can mingle with some of the other pieces they can also always retreat to a room where the other pieces cannot disturb them. For instance the top and bottom room with rooks can not be entered by any other type of pieces. In the two rooms right above and below the middle room, the bishops of the same color have their personal room. And also the two rooms to the right where black and white bishops co-exist on different colors, cannot be entered by any other type. (This is of course needed, since else there could be captures). The pawns have their own rooms top and bottom right. The knights have a separate room from which they can jump out to the rooms with either rooks or king/queens, but no other piece can enter their personal space to the left. And the king and his queens can retreat top or bottom left where the knights cannot enter. No piece can encounter all the others (even of the same color) but all pieces can meet at least one other type of pieces, the pawns though only after promotion. But they could not meet a king. This is similar to real zoos where separate enclosures are designed to be accessible only to one species (for example, through an opening too small for one of the species to pass through), allowing animals control over their interactions. &amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;It is unclear what would happen to the pawns after they are promoted. Whether they remain in the &amp;quot;pawn&amp;quot; enclosure or moved to their new enclosure according to their new piece type is not indicated. Also unsure is how the pawns would be repopulated if all of them were to be promoted, leaving the pawn enclosure devoid of pawns. It appears that the pawns promoting is part of the zoo's attractions as mentioned in the Banner for the black pawns' enclosure that reads &amp;quot;SHH! PAWNS PROMOTING.&amp;quot; It is not explained why the visitors would need to be quiet, but if the logic of treating the pawns like zoo animals is extended then loud and rowdy humans would likely distract, disturb or otherwise prevent the pawns from promoting&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;. Alternatively, perhaps the pawn promotion process produces some sort of cute noise, and if visitors are quiet they are more likely to hear it&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;It is unclear what would happen to the pawns after they are promoted. Whether they remain in the &amp;quot;pawn&amp;quot; enclosure or moved to their new enclosure according to their new piece type is not indicated. Also unsure is how the pawns would be repopulated if all of them were to be promoted, leaving the pawn enclosure devoid of pawns. It appears that the pawns promoting is part of the zoo's attractions as mentioned in the Banner for the black pawns' enclosure that reads &amp;quot;SHH! PAWNS PROMOTING.&amp;quot; It is not explained why the visitors would need to be quiet, but if the logic of treating the pawns like zoo animals is extended then loud and rowdy humans would likely distract, disturb or otherwise prevent the pawns from promoting.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;There are a couple of &amp;quot;interaction&amp;quot; areas that could have been built into the zoo design while preventing piece capture or escape but have not. There is no reason bishops and knights of the same color couldn't occupy the same enclosure, so long as there are adequate walls to prevent knights from escaping their enclosure. Additionally, it would be possible to allow visitor access to the white-bishop-on-black and black-bishop-on-white enclosure, as well as allow visitor access to the knight enclosures, however it is not apparent whether this is a priority of the zoo.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;There are a couple of &amp;quot;interaction&amp;quot; areas that could have been built into the zoo design while preventing piece capture or escape but have not. There is no reason bishops and knights of the same color couldn't occupy the same enclosure, so long as there are adequate walls to prevent knights from escaping their enclosure. Additionally, it would be possible to allow visitor access to the white-bishop-on-black and black-bishop-on-white enclosure, as well as allow visitor access to the knight enclosures, however it is not apparent whether this is a priority of the zoo.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>172.68.42.41</name></author>	</entry>

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